1/* 2 * 3 * Support for a cx23416 mpeg encoder via cx2388x host port. 4 * "blackbird" reference design. 5 * 6 * (c) 2004 Jelle Foks <jelle@foks.8m.com> 7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> 8 * 9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org> 10 * - video_ioctl2 conversion 11 * 12 * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/), 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2 of the License, or 17 * (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, write to the Free Software 26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 27 */ 28 29#include <linux/module.h> 30#include <linux/moduleparam.h> 31#include <linux/init.h> 32#include <linux/fs.h> 33#include <linux/delay.h> 34#include <linux/device.h> 35#include <linux/firmware.h> 36#include <media/v4l2-common.h> 37#include <media/cx2341x.h> 38 39#include "cx88.h" 40 41MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); 42MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 43MODULE_LICENSE("GPL"); 44 45static unsigned int mpegbufs = 32; 46module_param(mpegbufs,int,0644); 47MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32"); 48 49static unsigned int debug = 0; 50module_param(debug,int,0644); 51MODULE_PARM_DESC(debug,"enable debug messages [blackbird]"); 52 53#define dprintk(level,fmt, arg...) if (debug >= level) \ 54 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg) 55 56 57/* ------------------------------------------------------------------ */ 58 59#define OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144 60#define BLACKBIRD_FIRM_IMAGE_SIZE 376836 61 62/* defines below are from ivtv-driver.h */ 63 64#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF 65 66/* Firmware API commands */ 67#define IVTV_API_STD_TIMEOUT 500 68 69enum blackbird_capture_type { 70 BLACKBIRD_MPEG_CAPTURE, 71 BLACKBIRD_RAW_CAPTURE, 72 BLACKBIRD_RAW_PASSTHRU_CAPTURE 73}; 74enum blackbird_capture_bits { 75 BLACKBIRD_RAW_BITS_NONE = 0x00, 76 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01, 77 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02, 78 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04, 79 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08, 80 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10 81}; 82enum blackbird_capture_end { 83 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */ 84 BLACKBIRD_END_NOW, /* stop immediately, no irq */ 85}; 86enum blackbird_framerate { 87 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */ 88 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */ 89}; 90enum blackbird_stream_port { 91 BLACKBIRD_OUTPUT_PORT_MEMORY, 92 BLACKBIRD_OUTPUT_PORT_STREAMING, 93 BLACKBIRD_OUTPUT_PORT_SERIAL 94}; 95enum blackbird_data_xfer_status { 96 BLACKBIRD_MORE_BUFFERS_FOLLOW, 97 BLACKBIRD_LAST_BUFFER, 98}; 99enum blackbird_picture_mask { 100 BLACKBIRD_PICTURE_MASK_NONE, 101 BLACKBIRD_PICTURE_MASK_I_FRAMES, 102 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3, 103 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7, 104}; 105enum blackbird_vbi_mode_bits { 106 BLACKBIRD_VBI_BITS_SLICED, 107 BLACKBIRD_VBI_BITS_RAW, 108}; 109enum blackbird_vbi_insertion_bits { 110 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, 111 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, 112 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, 113 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, 114 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, 115}; 116enum blackbird_dma_unit { 117 BLACKBIRD_DMA_BYTES, 118 BLACKBIRD_DMA_FRAMES, 119}; 120enum blackbird_dma_transfer_status_bits { 121 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01, 122 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04, 123 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10, 124}; 125enum blackbird_pause { 126 BLACKBIRD_PAUSE_ENCODING, 127 BLACKBIRD_RESUME_ENCODING, 128}; 129enum blackbird_copyright { 130 BLACKBIRD_COPYRIGHT_OFF, 131 BLACKBIRD_COPYRIGHT_ON, 132}; 133enum blackbird_notification_type { 134 BLACKBIRD_NOTIFICATION_REFRESH, 135}; 136enum blackbird_notification_status { 137 BLACKBIRD_NOTIFICATION_OFF, 138 BLACKBIRD_NOTIFICATION_ON, 139}; 140enum blackbird_notification_mailbox { 141 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1, 142}; 143enum blackbird_field1_lines { 144 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */ 145 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */ 146 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */ 147}; 148enum blackbird_field2_lines { 149 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */ 150 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */ 151 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */ 152}; 153enum blackbird_custom_data_type { 154 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 155 BLACKBIRD_CUSTOM_PRIVATE_PACKET, 156}; 157enum blackbird_mute { 158 BLACKBIRD_UNMUTE, 159 BLACKBIRD_MUTE, 160}; 161enum blackbird_mute_video_mask { 162 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00, 163 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000, 164 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000, 165}; 166enum blackbird_mute_video_shift { 167 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8, 168 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16, 169 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24, 170}; 171 172/* Registers */ 173#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/) 174#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/) 175#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/) 176#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/) 177#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/) 178#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/) 179 180/* ------------------------------------------------------------------ */ 181 182static void host_setup(struct cx88_core *core) 183{ 184 /* toggle reset of the host */ 185 cx_write(MO_GPHST_SOFT_RST, 1); 186 udelay(100); 187 cx_write(MO_GPHST_SOFT_RST, 0); 188 udelay(100); 189 190 /* host port setup */ 191 cx_write(MO_GPHST_WSC, 0x44444444U); 192 cx_write(MO_GPHST_XFR, 0); 193 cx_write(MO_GPHST_WDTH, 15); 194 cx_write(MO_GPHST_HDSHK, 0); 195 cx_write(MO_GPHST_MUX16, 0x44448888U); 196 cx_write(MO_GPHST_MODE, 0); 197} 198 199/* ------------------------------------------------------------------ */ 200 201#define P1_MDATA0 0x390000 202#define P1_MDATA1 0x390001 203#define P1_MDATA2 0x390002 204#define P1_MDATA3 0x390003 205#define P1_MADDR2 0x390004 206#define P1_MADDR1 0x390005 207#define P1_MADDR0 0x390006 208#define P1_RDATA0 0x390008 209#define P1_RDATA1 0x390009 210#define P1_RDATA2 0x39000A 211#define P1_RDATA3 0x39000B 212#define P1_RADDR0 0x39000C 213#define P1_RADDR1 0x39000D 214#define P1_RRDWR 0x39000E 215 216static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state) 217{ 218 unsigned long timeout = jiffies + msecs_to_jiffies(1); 219 u32 gpio0,need; 220 221 need = state ? 2 : 0; 222 for (;;) { 223 gpio0 = cx_read(MO_GP0_IO) & 2; 224 if (need == gpio0) 225 return 0; 226 if (time_after(jiffies,timeout)) 227 return -1; 228 udelay(1); 229 } 230} 231 232static int memory_write(struct cx88_core *core, u32 address, u32 value) 233{ 234 /* Warning: address is dword address (4 bytes) */ 235 cx_writeb(P1_MDATA0, (unsigned int)value); 236 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8)); 237 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16)); 238 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24)); 239 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40); 240 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 241 cx_writeb(P1_MADDR0, (unsigned int)address); 242 cx_read(P1_MDATA0); 243 cx_read(P1_MADDR0); 244 245 return wait_ready_gpio0_bit1(core,1); 246} 247 248static int memory_read(struct cx88_core *core, u32 address, u32 *value) 249{ 250 int retval; 251 u32 val; 252 253 /* Warning: address is dword address (4 bytes) */ 254 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0); 255 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 256 cx_writeb(P1_MADDR0, (unsigned int)address); 257 cx_read(P1_MADDR0); 258 259 retval = wait_ready_gpio0_bit1(core,1); 260 261 cx_writeb(P1_MDATA3, 0); 262 val = (unsigned char)cx_read(P1_MDATA3) << 24; 263 cx_writeb(P1_MDATA2, 0); 264 val |= (unsigned char)cx_read(P1_MDATA2) << 16; 265 cx_writeb(P1_MDATA1, 0); 266 val |= (unsigned char)cx_read(P1_MDATA1) << 8; 267 cx_writeb(P1_MDATA0, 0); 268 val |= (unsigned char)cx_read(P1_MDATA0); 269 270 *value = val; 271 return retval; 272} 273 274static int register_write(struct cx88_core *core, u32 address, u32 value) 275{ 276 cx_writeb(P1_RDATA0, (unsigned int)value); 277 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8)); 278 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16)); 279 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24)); 280 cx_writeb(P1_RADDR0, (unsigned int)address); 281 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 282 cx_writeb(P1_RRDWR, 1); 283 cx_read(P1_RDATA0); 284 cx_read(P1_RADDR0); 285 286 return wait_ready_gpio0_bit1(core,1); 287} 288 289 290static int register_read(struct cx88_core *core, u32 address, u32 *value) 291{ 292 int retval; 293 u32 val; 294 295 cx_writeb(P1_RADDR0, (unsigned int)address); 296 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 297 cx_writeb(P1_RRDWR, 0); 298 cx_read(P1_RADDR0); 299 300 retval = wait_ready_gpio0_bit1(core,1); 301 val = (unsigned char)cx_read(P1_RDATA0); 302 val |= (unsigned char)cx_read(P1_RDATA1) << 8; 303 val |= (unsigned char)cx_read(P1_RDATA2) << 16; 304 val |= (unsigned char)cx_read(P1_RDATA3) << 24; 305 306 *value = val; 307 return retval; 308} 309 310/* ------------------------------------------------------------------ */ 311 312static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) 313{ 314 struct cx8802_dev *dev = priv; 315 unsigned long timeout; 316 u32 value, flag, retval; 317 int i; 318 319 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command); 320 321 /* this may not be 100% safe if we can't read any memory location 322 without side effects */ 323 memory_read(dev->core, dev->mailbox - 4, &value); 324 if (value != 0x12345678) { 325 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n"); 326 return -1; 327 } 328 329 memory_read(dev->core, dev->mailbox, &flag); 330 if (flag) { 331 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag); 332 return -1; 333 } 334 335 flag |= 1; /* tell 'em we're working on it */ 336 memory_write(dev->core, dev->mailbox, flag); 337 338 /* write command + args + fill remaining with zeros */ 339 memory_write(dev->core, dev->mailbox + 1, command); /* command code */ 340 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */ 341 for (i = 0; i < in; i++) { 342 memory_write(dev->core, dev->mailbox + 4 + i, data[i]); 343 dprintk(1, "API Input %d = %d\n", i, data[i]); 344 } 345 for (; i < CX2341X_MBOX_MAX_DATA; i++) 346 memory_write(dev->core, dev->mailbox + 4 + i, 0); 347 348 flag |= 3; /* tell 'em we're done writing */ 349 memory_write(dev->core, dev->mailbox, flag); 350 351 /* wait for firmware to handle the API command */ 352 timeout = jiffies + msecs_to_jiffies(10); 353 for (;;) { 354 memory_read(dev->core, dev->mailbox, &flag); 355 if (0 != (flag & 4)) 356 break; 357 if (time_after(jiffies,timeout)) { 358 dprintk(0, "ERROR: API Mailbox timeout\n"); 359 return -1; 360 } 361 udelay(10); 362 } 363 364 /* read output values */ 365 for (i = 0; i < out; i++) { 366 memory_read(dev->core, dev->mailbox + 4 + i, data + i); 367 dprintk(1, "API Output %d = %d\n", i, data[i]); 368 } 369 370 memory_read(dev->core, dev->mailbox + 2, &retval); 371 dprintk(1, "API result = %d\n",retval); 372 373 flag = 0; 374 memory_write(dev->core, dev->mailbox, flag); 375 return retval; 376} 377/* ------------------------------------------------------------------ */ 378 379/* We don't need to call the API often, so using just one mailbox will probably suffice */ 380static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command, 381 u32 inputcnt, u32 outputcnt, ...) 382{ 383 u32 data[CX2341X_MBOX_MAX_DATA]; 384 va_list vargs; 385 int i, err; 386 387 va_start(vargs, outputcnt); 388 389 for (i = 0; i < inputcnt; i++) { 390 data[i] = va_arg(vargs, int); 391 } 392 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data); 393 for (i = 0; i < outputcnt; i++) { 394 int *vptr = va_arg(vargs, int *); 395 *vptr = data[i]; 396 } 397 va_end(vargs); 398 return err; 399} 400 401static int blackbird_find_mailbox(struct cx8802_dev *dev) 402{ 403 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456}; 404 int signaturecnt=0; 405 u32 value; 406 int i; 407 408 for (i = 0; i < dev->fw_size; i++) { 409 memory_read(dev->core, i, &value); 410 if (value == signature[signaturecnt]) 411 signaturecnt++; 412 else 413 signaturecnt = 0; 414 if (4 == signaturecnt) { 415 dprintk(1, "Mailbox signature found\n"); 416 return i+1; 417 } 418 } 419 dprintk(0, "Mailbox signature values not found!\n"); 420 return -1; 421} 422 423static int blackbird_load_firmware(struct cx8802_dev *dev) 424{ 425 static const unsigned char magic[8] = { 426 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa 427 }; 428 const struct firmware *firmware; 429 int i, retval = 0; 430 u32 value = 0; 431 u32 checksum = 0; 432 u32 *dataptr; 433 434 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED); 435 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); 436 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640); 437 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); 438 msleep(1); 439 retval |= register_write(dev->core, IVTV_REG_APU, 0); 440 441 if (retval < 0) 442 dprintk(0, "Error with register_write\n"); 443 444 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME, 445 &dev->pci->dev); 446 447 448 if (retval != 0) { 449 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n", 450 CX2341X_FIRM_ENC_FILENAME); 451 dprintk(0, "Please fix your hotplug setup, the board will " 452 "not work without firmware loaded!\n"); 453 return -1; 454 } 455 456 if ((firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) && 457 (firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) { 458 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n", 459 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE, 460 OLD_BLACKBIRD_FIRM_IMAGE_SIZE); 461 release_firmware(firmware); 462 return -1; 463 } 464 dev->fw_size = firmware->size; 465 466 if (0 != memcmp(firmware->data, magic, 8)) { 467 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n"); 468 release_firmware(firmware); 469 return -1; 470 } 471 472 /* transfer to the chip */ 473 dprintk(1,"Loading firmware ...\n"); 474 dataptr = (u32*)firmware->data; 475 for (i = 0; i < (firmware->size >> 2); i++) { 476 value = *dataptr; 477 checksum += ~value; 478 memory_write(dev->core, i, value); 479 dataptr++; 480 } 481 482 /* read back to verify with the checksum */ 483 for (i--; i >= 0; i--) { 484 memory_read(dev->core, i, &value); 485 checksum -= ~value; 486 } 487 if (checksum) { 488 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n"); 489 release_firmware(firmware); 490 return -1; 491 } 492 release_firmware(firmware); 493 dprintk(0, "Firmware upload successful.\n"); 494 495 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); 496 retval |= register_read(dev->core, IVTV_REG_SPU, &value); 497 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); 498 msleep(1); 499 500 retval |= register_read(dev->core, IVTV_REG_VPU, &value); 501 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); 502 503 if (retval < 0) 504 dprintk(0, "Error with register_write\n"); 505 return 0; 506} 507 508/** 509 Settings used by the windows tv app for PVR2000: 510================================================================================================================= 511Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode 512----------------------------------------------------------------------------------------------------------------- 513MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 514MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 515VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 516DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 517DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 518================================================================================================================= 519*DB: "DirectBurn" 520*/ 521 522static void blackbird_codec_settings(struct cx8802_dev *dev) 523{ 524 /* assign frame size */ 525 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 526 dev->height, dev->width); 527 528 dev->params.width = dev->width; 529 dev->params.height = dev->height; 530 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0; 531 532 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params); 533} 534 535static struct v4l2_mpeg_compression default_mpeg_params = { 536 .st_type = V4L2_MPEG_PS_2, 537 .st_bitrate = { 538 .mode = V4L2_BITRATE_CBR, 539 .min = 0, 540 .target = 0, 541 .max = 0 542 }, 543 .ts_pid_pmt = 16, 544 .ts_pid_audio = 260, 545 .ts_pid_video = 256, 546 .ts_pid_pcr = 259, 547 .ps_size = 0, 548 .au_type = V4L2_MPEG_AU_2_II, 549 .au_bitrate = { 550 .mode = V4L2_BITRATE_CBR, 551 .min = 224, 552 .target = 224, 553 .max = 224 554 }, 555 .au_sample_rate = 48000, 556 .au_pesid = 0, 557 .vi_type = V4L2_MPEG_VI_2, 558 .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3, 559 .vi_bitrate = { 560 .mode = V4L2_BITRATE_CBR, 561 .min = 4000, 562 .target = 4500, 563 .max = 6000 564 }, 565 .vi_frame_rate = 25, 566 .vi_frames_per_gop = 12, 567 .vi_bframes_count = 2, 568 .vi_pesid = 0, 569 .closed_gops = 1, 570 .pulldown = 0 571}; 572 573static int blackbird_initialize_codec(struct cx8802_dev *dev) 574{ 575 struct cx88_core *core = dev->core; 576 int version; 577 int retval; 578 579 dprintk(1,"Initialize codec\n"); 580 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 581 if (retval < 0) { 582 /* ping was not successful, reset and upload firmware */ 583 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ 584 msleep(1); 585 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ 586 msleep(1); 587 retval = blackbird_load_firmware(dev); 588 if (retval < 0) 589 return retval; 590 591 dev->mailbox = blackbird_find_mailbox(dev); 592 if (dev->mailbox < 0) 593 return -1; 594 595 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 596 if (retval < 0) { 597 dprintk(0, "ERROR: Firmware ping failed!\n"); 598 return -1; 599 } 600 601 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version); 602 if (retval < 0) { 603 dprintk(0, "ERROR: Firmware get encoder version failed!\n"); 604 return -1; 605 } 606 dprintk(0, "Firmware version is 0x%08x\n", version); 607 } 608 msleep(1); 609 610 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ 611 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ 612 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ 613 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ 614 615 blackbird_codec_settings(dev); 616 msleep(1); 617 618 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef); 619 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0); 620 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */ 621 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, 622 BLACKBIRD_FIELD1_SAA7115, 623 BLACKBIRD_FIELD2_SAA7115 624 ); 625 626 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */ 627 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, 628 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 629 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 630 631 /* initialize the video input */ 632 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); 633 634 msleep(1); 635 636 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE); 637 msleep(1); 638 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE); 639 msleep(1); 640 641 /* start capturing to the host interface */ 642 /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */ 643 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 644 BLACKBIRD_MPEG_CAPTURE, 645 BLACKBIRD_RAW_BITS_NONE 646 ); 647 msleep(10); 648 649 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0); 650 return 0; 651} 652 653/* ------------------------------------------------------------------ */ 654 655static int bb_buf_setup(struct videobuf_queue *q, 656 unsigned int *count, unsigned int *size) 657{ 658 struct cx8802_fh *fh = q->priv_data; 659 660 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */ 661 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */ 662 663 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; 664 *count = fh->dev->ts_packet_count; 665 return 0; 666} 667 668static int 669bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 670 enum v4l2_field field) 671{ 672 struct cx8802_fh *fh = q->priv_data; 673 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field); 674} 675 676static void 677bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) 678{ 679 struct cx8802_fh *fh = q->priv_data; 680 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb); 681} 682 683static void 684bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 685{ 686 cx88_free_buffer(q, (struct cx88_buffer*)vb); 687} 688 689static struct videobuf_queue_ops blackbird_qops = { 690 .buf_setup = bb_buf_setup, 691 .buf_prepare = bb_buf_prepare, 692 .buf_queue = bb_buf_queue, 693 .buf_release = bb_buf_release, 694}; 695 696/* ------------------------------------------------------------------ */ 697 698static const u32 *ctrl_classes[] = { 699 cx88_user_ctrls, 700 cx2341x_mpeg_ctrls, 701 NULL 702}; 703 704static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl) 705{ 706 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 707 if (qctrl->id == 0) 708 return -EINVAL; 709 710 /* Standard V4L2 controls */ 711 if (cx8800_ctrl_query(qctrl) == 0) 712 return 0; 713 714 /* MPEG V4L2 controls */ 715 if (cx2341x_ctrl_query(&dev->params, qctrl)) 716 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; 717 return 0; 718} 719 720/* ------------------------------------------------------------------ */ 721/* IOCTL Handlers */ 722 723static int vidioc_querymenu (struct file *file, void *priv, 724 struct v4l2_querymenu *qmenu) 725{ 726 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 727 struct v4l2_queryctrl qctrl; 728 729 qctrl.id = qmenu->id; 730 blackbird_queryctrl(dev, &qctrl); 731 return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id)); 732} 733 734static int vidioc_querycap (struct file *file, void *priv, 735 struct v4l2_capability *cap) 736{ 737 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 738 struct cx88_core *core = dev->core; 739 740 strcpy(cap->driver, "cx88_blackbird"); 741 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card)); 742 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); 743 cap->version = CX88_VERSION_CODE; 744 cap->capabilities = 745 V4L2_CAP_VIDEO_CAPTURE | 746 V4L2_CAP_READWRITE | 747 V4L2_CAP_STREAMING; 748 if (UNSET != core->tuner_type) 749 cap->capabilities |= V4L2_CAP_TUNER; 750 return 0; 751} 752 753static int vidioc_enum_fmt_cap (struct file *file, void *priv, 754 struct v4l2_fmtdesc *f) 755{ 756 if (f->index != 0) 757 return -EINVAL; 758 759 strlcpy(f->description, "MPEG", sizeof(f->description)); 760 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 761 f->pixelformat = V4L2_PIX_FMT_MPEG; 762 return 0; 763} 764 765static int vidioc_g_fmt_cap (struct file *file, void *priv, 766 struct v4l2_format *f) 767{ 768 struct cx8802_fh *fh = priv; 769 struct cx8802_dev *dev = fh->dev; 770 771 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 772 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 773 f->fmt.pix.bytesperline = 0; 774 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */ 775 f->fmt.pix.colorspace = 0; 776 f->fmt.pix.width = dev->width; 777 f->fmt.pix.height = dev->height; 778 f->fmt.pix.field = fh->mpegq.field; 779 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", 780 dev->width, dev->height, fh->mpegq.field ); 781 return 0; 782} 783 784static int vidioc_try_fmt_cap (struct file *file, void *priv, 785 struct v4l2_format *f) 786{ 787 struct cx8802_fh *fh = priv; 788 struct cx8802_dev *dev = fh->dev; 789 790 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 791 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 792 f->fmt.pix.bytesperline = 0; 793 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */; 794 f->fmt.pix.colorspace = 0; 795 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", 796 dev->width, dev->height, fh->mpegq.field ); 797 return 0; 798} 799 800static int vidioc_s_fmt_cap (struct file *file, void *priv, 801 struct v4l2_format *f) 802{ 803 struct cx8802_fh *fh = priv; 804 struct cx8802_dev *dev = fh->dev; 805 struct cx88_core *core = dev->core; 806 807 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 808 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 809 f->fmt.pix.bytesperline = 0; 810 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */; 811 f->fmt.pix.colorspace = 0; 812 dev->width = f->fmt.pix.width; 813 dev->height = f->fmt.pix.height; 814 fh->mpegq.field = f->fmt.pix.field; 815 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); 816 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 817 f->fmt.pix.height, f->fmt.pix.width); 818 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", 819 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field ); 820 return 0; 821} 822 823static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) 824{ 825 struct cx8802_fh *fh = priv; 826 return (videobuf_reqbufs(&fh->mpegq, p)); 827} 828 829static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) 830{ 831 struct cx8802_fh *fh = priv; 832 return (videobuf_querybuf(&fh->mpegq, p)); 833} 834 835static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) 836{ 837 struct cx8802_fh *fh = priv; 838 return (videobuf_qbuf(&fh->mpegq, p)); 839} 840 841static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) 842{ 843 struct cx8802_fh *fh = priv; 844 return (videobuf_dqbuf(&fh->mpegq, p, 845 file->f_flags & O_NONBLOCK)); 846} 847 848static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) 849{ 850 struct cx8802_fh *fh = priv; 851 return videobuf_streamon(&fh->mpegq); 852} 853 854static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 855{ 856 struct cx8802_fh *fh = priv; 857 return videobuf_streamoff(&fh->mpegq); 858} 859 860static int vidioc_g_mpegcomp (struct file *file, void *fh, 861 struct v4l2_mpeg_compression *f) 862{ 863 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. " 864 "Replace with VIDIOC_G_EXT_CTRLS!"); 865 memcpy(f,&default_mpeg_params,sizeof(*f)); 866 return 0; 867} 868 869static int vidioc_s_mpegcomp (struct file *file, void *fh, 870 struct v4l2_mpeg_compression *f) 871{ 872 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. " 873 "Replace with VIDIOC_S_EXT_CTRLS!"); 874 return 0; 875} 876 877static int vidioc_g_ext_ctrls (struct file *file, void *priv, 878 struct v4l2_ext_controls *f) 879{ 880 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 881 882 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) 883 return -EINVAL; 884 return cx2341x_ext_ctrls(&dev->params, f, VIDIOC_G_EXT_CTRLS); 885} 886 887static int vidioc_s_ext_ctrls (struct file *file, void *priv, 888 struct v4l2_ext_controls *f) 889{ 890 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 891 struct cx2341x_mpeg_params p; 892 int err; 893 894 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) 895 return -EINVAL; 896 p = dev->params; 897 err = cx2341x_ext_ctrls(&p, f, VIDIOC_S_EXT_CTRLS); 898 if (!err) { 899 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p); 900 dev->params = p; 901 } 902 return err; 903} 904 905static int vidioc_try_ext_ctrls (struct file *file, void *priv, 906 struct v4l2_ext_controls *f) 907{ 908 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 909 struct cx2341x_mpeg_params p; 910 int err; 911 912 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) 913 return -EINVAL; 914 p = dev->params; 915 err = cx2341x_ext_ctrls(&p, f, VIDIOC_TRY_EXT_CTRLS); 916 917 return err; 918} 919 920static int vidioc_s_frequency (struct file *file, void *priv, 921 struct v4l2_frequency *f) 922{ 923 struct cx8802_fh *fh = priv; 924 struct cx8802_dev *dev = fh->dev; 925 struct cx88_core *core = dev->core; 926 927 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 928 BLACKBIRD_END_NOW, 929 BLACKBIRD_MPEG_CAPTURE, 930 BLACKBIRD_RAW_BITS_NONE); 931 cx88_set_freq (core,f); 932 blackbird_initialize_codec(dev); 933 cx88_set_scale(dev->core, dev->width, dev->height, 934 fh->mpegq.field); 935 return 0; 936} 937 938static int vidioc_log_status (struct file *file, void *priv) 939{ 940 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 941 struct cx88_core *core = dev->core; 942 char name[32 + 2]; 943 944 snprintf(name, sizeof(name), "%s/2", core->name); 945 printk("%s/2: ============ START LOG STATUS ============\n", 946 core->name); 947 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL); 948 cx2341x_log_status(&dev->params, name); 949 printk("%s/2: ============= END LOG STATUS =============\n", 950 core->name); 951 return 0; 952} 953 954static int vidioc_queryctrl (struct file *file, void *priv, 955 struct v4l2_queryctrl *qctrl) 956{ 957 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 958 959 if (blackbird_queryctrl(dev, qctrl) == 0) 960 return 0; 961 962 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 963 if (unlikely(qctrl->id == 0)) 964 return -EINVAL; 965 return cx8800_ctrl_query(qctrl); 966} 967 968static int vidioc_enum_input (struct file *file, void *priv, 969 struct v4l2_input *i) 970{ 971 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 972 return cx88_enum_input (core,i); 973} 974 975static int vidioc_g_ctrl (struct file *file, void *priv, 976 struct v4l2_control *ctl) 977{ 978 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 979 return 980 cx88_get_control(core,ctl); 981} 982 983static int vidioc_s_ctrl (struct file *file, void *priv, 984 struct v4l2_control *ctl) 985{ 986 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 987 return 988 cx88_set_control(core,ctl); 989} 990 991static int vidioc_g_frequency (struct file *file, void *priv, 992 struct v4l2_frequency *f) 993{ 994 struct cx8802_fh *fh = priv; 995 struct cx88_core *core = fh->dev->core; 996 997 if (unlikely(UNSET == core->tuner_type)) 998 return -EINVAL; 999 1000 f->type = V4L2_TUNER_ANALOG_TV; 1001 f->frequency = core->freq; 1002 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f); 1003 1004 return 0; 1005} 1006 1007static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) 1008{ 1009 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 1010 1011 *i = core->input; 1012 return 0; 1013} 1014 1015static int vidioc_s_input (struct file *file, void *priv, unsigned int i) 1016{ 1017 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 1018 1019 if (i >= 4) 1020 return -EINVAL; 1021 1022 mutex_lock(&core->lock); 1023 cx88_newstation(core); 1024 cx88_video_mux(core,i); 1025 mutex_unlock(&core->lock); 1026 return 0; 1027} 1028 1029static int vidioc_g_tuner (struct file *file, void *priv, 1030 struct v4l2_tuner *t) 1031{ 1032 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 1033 u32 reg; 1034 1035 if (unlikely(UNSET == core->tuner_type)) 1036 return -EINVAL; 1037 if (0 != t->index) 1038 return -EINVAL; 1039 1040 strcpy(t->name, "Television"); 1041 t->type = V4L2_TUNER_ANALOG_TV; 1042 t->capability = V4L2_TUNER_CAP_NORM; 1043 t->rangehigh = 0xffffffffUL; 1044 1045 cx88_get_stereo(core ,t); 1046 reg = cx_read(MO_DEVICE_STATUS); 1047 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; 1048 return 0; 1049} 1050 1051static int vidioc_s_tuner (struct file *file, void *priv, 1052 struct v4l2_tuner *t) 1053{ 1054 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 1055 1056 if (UNSET == core->tuner_type) 1057 return -EINVAL; 1058 if (0 != t->index) 1059 return -EINVAL; 1060 1061 cx88_set_stereo(core, t->audmode, 1); 1062 return 0; 1063} 1064 1065static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id) 1066{ 1067 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 1068 1069 mutex_lock(&core->lock); 1070 cx88_set_tvnorm(core,*id); 1071 mutex_unlock(&core->lock); 1072 return 0; 1073} 1074 1075 1076static int mpeg_open(struct inode *inode, struct file *file) 1077{ 1078 int minor = iminor(inode); 1079 struct cx8802_dev *dev = NULL; 1080 struct cx8802_fh *fh; 1081 struct cx8802_driver *drv = NULL; 1082 int err; 1083 1084 dev = cx8802_get_device(inode); 1085 1086 dprintk( 1, "%s\n", __FUNCTION__); 1087 1088 if (dev == NULL) 1089 return -ENODEV; 1090 1091 /* Make sure we can acquire the hardware */ 1092 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 1093 if (drv) { 1094 err = drv->request_acquire(drv); 1095 if(err != 0) { 1096 dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err); 1097 return err; 1098 } 1099 } 1100 1101 if (blackbird_initialize_codec(dev) < 0) { 1102 if (drv) 1103 drv->request_release(drv); 1104 return -EINVAL; 1105 } 1106 dprintk(1,"open minor=%d\n",minor); 1107 1108 /* allocate + initialize per filehandle data */ 1109 fh = kzalloc(sizeof(*fh),GFP_KERNEL); 1110 if (NULL == fh) { 1111 if (drv) 1112 drv->request_release(drv); 1113 return -ENOMEM; 1114 } 1115 file->private_data = fh; 1116 fh->dev = dev; 1117 1118 videobuf_queue_init(&fh->mpegq, &blackbird_qops, 1119 dev->pci, &dev->slock, 1120 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1121 V4L2_FIELD_INTERLACED, 1122 sizeof(struct cx88_buffer), 1123 fh); 1124 1125 cx88_set_scale(dev->core, dev->width, dev->height, 1126 fh->mpegq.field); 1127 1128 return 0; 1129} 1130 1131static int mpeg_release(struct inode *inode, struct file *file) 1132{ 1133 struct cx8802_fh *fh = file->private_data; 1134 struct cx8802_dev *dev = NULL; 1135 struct cx8802_driver *drv = NULL; 1136 1137 /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */ 1138 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 1139 BLACKBIRD_END_NOW, 1140 BLACKBIRD_MPEG_CAPTURE, 1141 BLACKBIRD_RAW_BITS_NONE 1142 ); 1143 1144 cx8802_cancel_buffers(fh->dev); 1145 /* stop mpeg capture */ 1146 if (fh->mpegq.streaming) 1147 videobuf_streamoff(&fh->mpegq); 1148 if (fh->mpegq.reading) 1149 videobuf_read_stop(&fh->mpegq); 1150 1151 videobuf_mmap_free(&fh->mpegq); 1152 file->private_data = NULL; 1153 kfree(fh); 1154 1155 /* Make sure we release the hardware */ 1156 dev = cx8802_get_device(inode); 1157 if (dev == NULL) 1158 return -ENODEV; 1159 1160 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 1161 if (drv) 1162 drv->request_release(drv); 1163 1164 return 0; 1165} 1166 1167static ssize_t 1168mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) 1169{ 1170 struct cx8802_fh *fh = file->private_data; 1171 1172 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0, 1173 file->f_flags & O_NONBLOCK); 1174} 1175 1176static unsigned int 1177mpeg_poll(struct file *file, struct poll_table_struct *wait) 1178{ 1179 struct cx8802_fh *fh = file->private_data; 1180 1181 return videobuf_poll_stream(file, &fh->mpegq, wait); 1182} 1183 1184static int 1185mpeg_mmap(struct file *file, struct vm_area_struct * vma) 1186{ 1187 struct cx8802_fh *fh = file->private_data; 1188 1189 return videobuf_mmap_mapper(&fh->mpegq, vma); 1190} 1191 1192static const struct file_operations mpeg_fops = 1193{ 1194 .owner = THIS_MODULE, 1195 .open = mpeg_open, 1196 .release = mpeg_release, 1197 .read = mpeg_read, 1198 .poll = mpeg_poll, 1199 .mmap = mpeg_mmap, 1200 .ioctl = video_ioctl2, 1201 .llseek = no_llseek, 1202}; 1203 1204static struct video_device cx8802_mpeg_template = 1205{ 1206 .name = "cx8802", 1207 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER, 1208 .fops = &mpeg_fops, 1209 .minor = -1, 1210 .vidioc_querymenu = vidioc_querymenu, 1211 .vidioc_querycap = vidioc_querycap, 1212 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap, 1213 .vidioc_g_fmt_cap = vidioc_g_fmt_cap, 1214 .vidioc_try_fmt_cap = vidioc_try_fmt_cap, 1215 .vidioc_s_fmt_cap = vidioc_s_fmt_cap, 1216 .vidioc_reqbufs = vidioc_reqbufs, 1217 .vidioc_querybuf = vidioc_querybuf, 1218 .vidioc_qbuf = vidioc_qbuf, 1219 .vidioc_dqbuf = vidioc_dqbuf, 1220 .vidioc_streamon = vidioc_streamon, 1221 .vidioc_streamoff = vidioc_streamoff, 1222 .vidioc_g_mpegcomp = vidioc_g_mpegcomp, 1223 .vidioc_s_mpegcomp = vidioc_s_mpegcomp, 1224 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, 1225 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, 1226 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, 1227 .vidioc_s_frequency = vidioc_s_frequency, 1228 .vidioc_log_status = vidioc_log_status, 1229 .vidioc_queryctrl = vidioc_queryctrl, 1230 .vidioc_enum_input = vidioc_enum_input, 1231 .vidioc_g_ctrl = vidioc_g_ctrl, 1232 .vidioc_s_ctrl = vidioc_s_ctrl, 1233 .vidioc_g_frequency = vidioc_g_frequency, 1234 .vidioc_g_input = vidioc_g_input, 1235 .vidioc_s_input = vidioc_s_input, 1236 .vidioc_g_tuner = vidioc_g_tuner, 1237 .vidioc_s_tuner = vidioc_s_tuner, 1238 .vidioc_s_std = vidioc_s_std, 1239 .tvnorms = CX88_NORMS, 1240 .current_norm = V4L2_STD_NTSC_M, 1241}; 1242 1243/* ------------------------------------------------------------------ */ 1244 1245/* The CX8802 MPEG API will call this when we can use the hardware */ 1246static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) 1247{ 1248 struct cx88_core *core = drv->core; 1249 int err = 0; 1250 1251 switch (core->board) { 1252 case CX88_BOARD_HAUPPAUGE_HVR1300: 1253 /* By default, core setup will leave the cx22702 out of reset, on the bus. 1254 * We left the hardware on power up with the cx22702 active. 1255 * We're being given access to re-arrange the GPIOs. 1256 * Take the bus off the cx22702 and put the cx23416 on it. 1257 */ 1258 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */ 1259 cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */ 1260 break; 1261 default: 1262 err = -ENODEV; 1263 } 1264 return err; 1265} 1266 1267/* The CX8802 MPEG API will call this when we need to release the hardware */ 1268static int cx8802_blackbird_advise_release(struct cx8802_driver *drv) 1269{ 1270 struct cx88_core *core = drv->core; 1271 int err = 0; 1272 1273 switch (core->board) { 1274 case CX88_BOARD_HAUPPAUGE_HVR1300: 1275 /* Exit leaving the cx23416 on the bus */ 1276 break; 1277 default: 1278 err = -ENODEV; 1279 } 1280 return err; 1281} 1282 1283static void blackbird_unregister_video(struct cx8802_dev *dev) 1284{ 1285 if (dev->mpeg_dev) { 1286 if (-1 != dev->mpeg_dev->minor) 1287 video_unregister_device(dev->mpeg_dev); 1288 else 1289 video_device_release(dev->mpeg_dev); 1290 dev->mpeg_dev = NULL; 1291 } 1292} 1293 1294static int blackbird_register_video(struct cx8802_dev *dev) 1295{ 1296 int err; 1297 1298 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, 1299 &cx8802_mpeg_template,"mpeg"); 1300 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); 1301 if (err < 0) { 1302 printk(KERN_INFO "%s/2: can't register mpeg device\n", 1303 dev->core->name); 1304 return err; 1305 } 1306 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n", 1307 dev->core->name,dev->mpeg_dev->minor & 0x1f); 1308 return 0; 1309} 1310 1311/* ----------------------------------------------------------- */ 1312 1313static int cx8802_blackbird_probe(struct cx8802_driver *drv) 1314{ 1315 struct cx88_core *core = drv->core; 1316 struct cx8802_dev *dev = core->dvbdev; 1317 int err; 1318 1319 dprintk( 1, "%s\n", __FUNCTION__); 1320 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", 1321 core->board, 1322 core->name, 1323 core->pci_bus, 1324 core->pci_slot); 1325 1326 err = -ENODEV; 1327 if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD)) 1328 goto fail_core; 1329 1330 dev->width = 720; 1331 dev->height = 576; 1332 cx2341x_fill_defaults(&dev->params); 1333 dev->params.port = CX2341X_PORT_STREAMING; 1334 1335 cx8802_mpeg_template.current_norm = core->tvnorm; 1336 1337 if (core->tvnorm & V4L2_STD_525_60) { 1338 dev->height = 480; 1339 } else { 1340 dev->height = 576; 1341 } 1342 1343 /* blackbird stuff */ 1344 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", 1345 core->name); 1346 host_setup(dev->core); 1347 1348 blackbird_register_video(dev); 1349 1350 /* initial device configuration: needed ? */ 1351 mutex_lock(&dev->core->lock); 1352// init_controls(core); 1353 cx88_set_tvnorm(core,core->tvnorm); 1354 cx88_video_mux(core,0); 1355 mutex_unlock(&dev->core->lock); 1356 1357 return 0; 1358 1359 fail_core: 1360 return err; 1361} 1362 1363static int cx8802_blackbird_remove(struct cx8802_driver *drv) 1364{ 1365 /* blackbird */ 1366 blackbird_unregister_video(drv->core->dvbdev); 1367 1368 return 0; 1369} 1370 1371static struct cx8802_driver cx8802_blackbird_driver = { 1372 .type_id = CX88_MPEG_BLACKBIRD, 1373 .hw_access = CX8802_DRVCTL_SHARED, 1374 .probe = cx8802_blackbird_probe, 1375 .remove = cx8802_blackbird_remove, 1376 .advise_acquire = cx8802_blackbird_advise_acquire, 1377 .advise_release = cx8802_blackbird_advise_release, 1378}; 1379 1380static int blackbird_init(void) 1381{ 1382 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n", 1383 (CX88_VERSION_CODE >> 16) & 0xff, 1384 (CX88_VERSION_CODE >> 8) & 0xff, 1385 CX88_VERSION_CODE & 0xff); 1386#ifdef SNAPSHOT 1387 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", 1388 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); 1389#endif 1390 return cx8802_register_driver(&cx8802_blackbird_driver); 1391} 1392 1393static void blackbird_fini(void) 1394{ 1395 cx8802_unregister_driver(&cx8802_blackbird_driver); 1396} 1397 1398module_init(blackbird_init); 1399module_exit(blackbird_fini); 1400 1401module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644); 1402MODULE_PARM_DESC(debug,"enable debug messages [video]"); 1403 1404/* ----------------------------------------------------------- */ 1405/* 1406 * Local variables: 1407 * c-basic-offset: 8 1408 * End: 1409 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off 1410 */ 1411